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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>行内和块级标签</title>
    <style>
        .c1{
            display: inline-block;
            height: 50px;
            width: 400px;
            border: 1px solid greenyellow;
        }
    </style>
</head>
<body>
    <span class="c1">河南濮丰检测服务有限公司</span>
    <span class="c1">河南诚信检测有限公司</span>
    <span class="c1">光远检测服务有限公司</span>
    <span class="c1">河南地矿环境有限公司</span>
<h2>业务室分布</h2>
<h2>块级和行内切换</h2>
    <div style="display:inline;">生化培养箱</div>
    <div style="display:inline;">紫外分光光度计</div>
    <span style="display:block">总磷</span>
    <span style="display:block">总氮</span>
</body>
</html>